In almost all ways it was a pretty typical January. There were sales, the usual thaw and the Vikings lost. But there was something missing -- the flu. On Wednesday the Minnesota Department of Health reported that for the fourth week in a row there were no deaths from H1N1, and no hospitalizations for the second straight week…

The influenza virus in all its forms is highly unpredictable, and experts warn a third wave could appear between now and June -- or not. "Flu is so fickle," said Dr. Greg Poland, an infectious disease expert at the Mayo Clinic in Rochester.

Star Tribune by Josephine Marcotty, 2/10/2010

Tags: Dr. Greg Poland, H1N1, Infectious Diseases